Principal Engineer - AdTech

Requirements

• 12+ years of building and delivering scalable, distributed systems using microservices, APIs, and data processing (streaming & batch).
• Proficient in Golang and Python, with strong knowledge of storage systems like MongoDB, PostgreSQL, and Redis.
• Skilled in AWS, GCP, Terraform, Kubernetes, and infrastructure as code, with experience in cloud cost optimization.
• Familiar with tools like Kibana, Prometheus, and DataDog, with a strong focus on scalability, monitoring, and reliability.
• Proven ability to lead technical initiatives across teams, work independently or collaboratively, and empower others through pragmatic decision-making.
• Excellent in written and verbal English, capable of clearly explaining complex technical concepts to both technical and non-technical stakeholders.

What you'll be doing

• Collaborate closely with Engineering and Product to define technical OKRs and deliver high value to stakeholders and customers.
• Lead architecture discussions across domains and tribes, representing the tribe in reviews, identifying improvements, and challenging the status quo.
• Set high engineering standards through mentorship (especially for Senior and Staff engineers) and by leading with best practices.
• Drive future-oriented technical decisions via RFCs and similar tools, aligning teams on scalable solutions and improvements.
• Conduct regular reviews on reliability, scalability, cost-efficiency, and security at the tribe level.
• Promote best practices, foster knowledge sharing, and contribute to an effective, scalable org structure aligned with delivery flow.

Perks and Benefits

• Make the most of our hybrid working model and join the team for face-to-face connection and collaboration in our beautiful Berlin campus 2 days a week
• We offer 27 days holiday with an extra day on 2nd and 3rd year of service
• We will support you in developing yourself and your career growth opportunities: 1.000 € Educational Budget, Language Courses, Parental Support and access to the Udemy Business platform to explore a variety of online courses.
• Get moving and release those wonderful, mind-boosting endorphins: Health Checkups, Meditation, Yoga, Gym & Bicycle Subsidy
• Cash. Dough. Cheddar. Whatever you call it, we’ll help you with it: Employee Share Purchase Plan, Sabbatical Bank, Public Transportation Ticket Discount, Life & Accident Insurance, Corporate Pension Plan
• The power of getting together over some food is unrivaled. Here are a few ways to help you do that. All the yum: Digital Meal Vouchers, Food Vouchers, Corporate Discounts. Courses.